Very high-efficiency, drop-resistant progress-capture pulley with swivel. Possible to open, even when attached to the anchor, the PRO TRAXION progress-capture pulley is designed for setting up haul systems. With a large diameter sheave mounted on sealed ball bearings and excellent efficiency, it is particularly suitable for hauling heavy loads. The swivel makes it easier to operate, allowing the pulley to be oriented under load and for direct connection of carabiners, ropes, or slings. Drop-resistant and easy to operate: Triple-action opening of the moving side plate is quick and easy, even with gloves Rope can be installed when the pulley is connected to the anchor Red indicator provides a visual warning when the moving side plate is unlockedSpecial side plate design protects the rope path Designed for hauling heavy loads: Large diameter aluminum sheave mounted on sealed ball bearings for excellent efficiency Swivel allows pulley to be oriented under load Versatile: Swivel and auxilia